Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production

Abstract l-Asparaginase is a therapeutically and industrially-competent enzyme, acting predominantly as an anti-neoplastic and anti-cancerous agent. The existing formulations of prokaryotic l-asparaginase are often toxic and contain l-glutaminase and urease residues, thereby increasing the purificat...

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Autores principales:	Meghna Chakraborty, Srividya Shivakumar
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/aef4624166fe4676ac5228a6aeb407ea
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spelling	oai:doaj.org-article:aef4624166fe4676ac5228a6aeb407ea2021-12-02T11:39:20ZBioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production10.1038/s41598-021-84949-52045-2322https://doaj.org/article/aef4624166fe4676ac5228a6aeb407ea2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84949-5https://doaj.org/toc/2045-2322Abstract l-Asparaginase is a therapeutically and industrially-competent enzyme, acting predominantly as an anti-neoplastic and anti-cancerous agent. The existing formulations of prokaryotic l-asparaginase are often toxic and contain l-glutaminase and urease residues, thereby increasing the purification steps. Production of l-glutaminase and urease free l-asparaginase is thus desired. In this research, bioprospecting of isolates from the less explored class Agaricomycetes was undertaken for l-asparaginase production. Plate assay (using phenol red and bromothymol blue dyes) was performed followed by estimation of l-asparaginase, l-glutaminase and urease activities by Nesslerization reaction for all the isolates. The isolate displaying the desired enzyme production was subjected to morphological, molecular identification, and phylogenetic analysis with statistical validation using Jukes-Cantor by Neighbour-joining tree of Maximum Likelihood statistical method. Among the isolates, Ganoderma australe GPC191 with significantly high zone index value (5.581 ± 0.045 at 120 h) and enzyme activity (1.57 ± 0.006 U/mL), devoid of l-glutaminase and urease activity was selected. The present study for the first-time reported G. australe as the potential source of l-glutaminase and urease-free l-asparaginase and also is one of the few studies contributing to the literature of G. australe in India. Hence, it can be postulated that it may find its future application in pharmaceutical and food industries.Meghna ChakrabortySrividya ShivakumarNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Meghna Chakraborty Srividya Shivakumar Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production
description	Abstract l-Asparaginase is a therapeutically and industrially-competent enzyme, acting predominantly as an anti-neoplastic and anti-cancerous agent. The existing formulations of prokaryotic l-asparaginase are often toxic and contain l-glutaminase and urease residues, thereby increasing the purification steps. Production of l-glutaminase and urease free l-asparaginase is thus desired. In this research, bioprospecting of isolates from the less explored class Agaricomycetes was undertaken for l-asparaginase production. Plate assay (using phenol red and bromothymol blue dyes) was performed followed by estimation of l-asparaginase, l-glutaminase and urease activities by Nesslerization reaction for all the isolates. The isolate displaying the desired enzyme production was subjected to morphological, molecular identification, and phylogenetic analysis with statistical validation using Jukes-Cantor by Neighbour-joining tree of Maximum Likelihood statistical method. Among the isolates, Ganoderma australe GPC191 with significantly high zone index value (5.581 ± 0.045 at 120 h) and enzyme activity (1.57 ± 0.006 U/mL), devoid of l-glutaminase and urease activity was selected. The present study for the first-time reported G. australe as the potential source of l-glutaminase and urease-free l-asparaginase and also is one of the few studies contributing to the literature of G. australe in India. Hence, it can be postulated that it may find its future application in pharmaceutical and food industries.
format	article
author	Meghna Chakraborty Srividya Shivakumar
author_facet	Meghna Chakraborty Srividya Shivakumar
author_sort	Meghna Chakraborty
title	Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production
title_short	Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production
title_full	Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production
title_fullStr	Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production
title_full_unstemmed	Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production
title_sort	bioprospecting of the agaricomycete ganoderma australe gpc191 as novel source for l-asparaginase production
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/aef4624166fe4676ac5228a6aeb407ea
work_keys_str_mv	AT meghnachakraborty bioprospectingoftheagaricomyceteganodermaaustralegpc191asnovelsourceforlasparaginaseproduction AT srividyashivakumar bioprospectingoftheagaricomyceteganodermaaustralegpc191asnovelsourceforlasparaginaseproduction
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Bioprospecting of the agaricomycete Ganoderma australe GPC191 as novel source for l-asparaginase production

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